https://pe.usps.com/businessmail101?ViewName=Cards

With First-Class Mail postcards, you pay a low price and get all of the benefits, like ... then the Postal Service considers it a letter and letter-size postage is charged. ... The rules about attachments to postcards are restrictive, so check with your ...

https://www.papersizes.org/postcard-sizes.htm

Postcards have been around nearly as long as postal services and are produced in a wide range of sizes, with some even being special shapes, for instance ...

https://www.summitprintingpro.com/resources/postcard-specs.html

They are suprised to hear that there is no single one “Official Standard Postcard Size,” or at least as far as the. US Post Office is ...

https://www.expresscopy.com/postcard-specifications

Postcard specifications cover USPS guidelines, postcard postal regulations and ... The dimensions and exclusions vary based on the postcard size, so please ...

https://www.printplace.com/articles/standard-postcard-sizes

What are the standard postcard sizes for mailing and EDDM®? ... In addition to size regulations, your design must follow other basic USPS requirements if you ...

https://www.stamps.com/usps/postcards/

USPS First Class postcards are a low cost method to send marketing materials to your customers. Stamps.com allows you to easily buy postcard postage.

https://www.48hourprint.com/direct-mail/postal-regulations.html

As always, we suggest using one of our guideline templates when planning to mail any size postcard; folded card; or brochure. Please contact one of our ...

http://www.subtlenetwork.com/what-is-the-best-size-of-a-postcard.html

In the end, the best size of postcard will come down to your marketing goals, target ... is dependent on the United States Postal Service's rules and regulations. First, understand that the post office doesn't classify mailings as postcards simply  ...

https://www.umkc.edu/finadmin/mail/documents/USPS%20standard%20dimensions%20for%20postcards%20letters%20flats.pdf

Below are the USPS standard dimensions for postcards, letters and flats. Postcard. Dimension. Minimum. Maximum. Height. 3-1/2 inches. 4-1/4 inches. Length.

http://designerstoolbox.com/designresources/postcards/

All measurements are in inches. These are standard postcard sizes. Check with United States Post Office before mailing. Designers Toolbox is not responsible ...